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Wednesday, Apr 26th

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New 250 million-year-old reptile species found in Brazil

Mew reptile found in BrazilPaleontologists have unearthed the fossilized remains of a reptile that lived 250 million years ago in what's now the Brazilian state of Rio Grande do Sul.

Researchers named the new species Teyujagua paradoxa and described it in a new paper, published this week in the journal Scientific Reports.

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Yearlong spaceman back home in Houston with family, pool

Scott KelleyNASA space champ Scott Kelly is finally back home in Houston with his family and the swimming pool that he craved throughout his yearlong absence from Planet Earth.

Before he could go home to his own bed Thursday, Kelly had to endure more medical tests to measure his body's adaptation to gravity.

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Debate rages in courts over 'high-sensitivity' DNA analysis

Debate over instant DNA testOne New York judge ruled the DNA evidence was scientifically sound. Another, just miles away, tossed it out as unreliable.

The same scenario is playing out in courthouses around the world amid a debate over whether a type of DNA analysis involving the amplification of tiny amounts of genetic material is reliable enough to convict someone for a crime.

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Telescope used on Armstrong's moon landing finds new galaxies

New galaxies foundAn Australian telescope used to broadcast live vision of man's first steps on the moon in 1969 has found hundreds of new galaxies hidden behind the Milky Way by using an innovative receiver that measures radio waves.

Scientists at the Parkes telescope, 355 km (220 miles) west of Sydney, said they had detected 883 galaxies, a third of which had never been seen before. The findings were reported in the latest issue of Astronomical Journal under the title 'The Parkes HI Zone of Avoidance Survey'.

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Scientists revive 'water bears' that were frozen for 30 years

tardigrades frozen for thiry years and revivedMicroscopic tardigrades, or "water bears," have successfully reproduced after emerging from 30 years frozen in an Antarctic moss sample.

The tiny creatures' revival after three decades in frozen moss is a new record, and the resumption of reproductive abilities is a first.

Researchers in Japan say the findings will offer new insights into tardigrades' cryptobiosis abilities -- the species' ability to temporarily shut down metabolic activity in response to external changes, like cold temperatures.

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Einstein a-go-go! Scientists rejoice as gravitational waves detected

Gravitational wave detectedIn a landmark discorvery, ripples in space and time first hypothesized by physicist Albert Einstein a century ago have been detected, with scientists suggesting that the observation of these gravitational waves could now open a new window for studying the cosmos.

The researchers said they detected gravitational waves coming from two black holes —extraordinarily dense objects whose existence also was foreseen by Einstein — that orbited one another, spiraled inward and smashed together. They said the waves were the product of a collision between two black holes 30 times as massive as the Sun, located 1.3 billion light years from Earth.

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Hundreds of galaxies found hiding behind the Milky Way

Galaxies found behind Milky WayAstronomers in Australia have confirmed the discovery of hundreds of galaxies hidden by the Milky Way and a gravitational anomaly known as the Great Attractor.

Until now, the galaxy-rich region of space some 250 million light-years away has been obscured by the stars and dust of the Milky Way.

"The Milky Way is very beautiful of course and it's very interesting to study our own galaxy but it completely blocks out the view of the more distant galaxies behind it," Lister Staveley-Smith, a professor at the University of Western Australia, said in a press release.

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